python gui tkinter用法杂记

iids = tree.selection()
t = tree.get_children()
for i in t:
print(tree.item(i,'values'))

def on_detail_bom_line_db_click(self, event):
''' Executed, when a row is double-clicked. Opens
read-only EntryPopup above the item's column, so it is possible
to select text ''' # close previous popups
if self.entryPopup:
self.entryPopup.destroy() # what row and column was clicked on rowid = self.bom_lines.identify_row(event.y)
column = self.bom_lines.identify_column(event.x) # clicked row parent id
parent = self.bom_lines.parent(rowid)
#print 'parent:'+parent
# do nothing if item is top-level
if parent == '':
pass # get column position info
x,y,width,height = self.bom_lines.bbox(rowid, column) # y-axis offset
pady = height // 2 # place Entry popup properly
url = self.bom_lines.item(rowid, 'text') self.entryPopup = StickyEntry(self.bom_lines, url, width=12)
self.entryPopup.place( x=x, y=y+pady, anchor=W)

class StickyEntry(Entry): def __init__(self, parent, text, **kw): ''' If relwidth is set, then width is ignored ''' #fa = super(self,StickyEntry) #fa.__init__(parent, **kw) apply(Entry.__init__, (self, parent), kw) self.insert(0, text) #self['state'] = 'readonly' self['readonlybackground'] = 'white' self['selectbackground'] = '#1BA1E2' self['exportselection'] = False self.focus_force() self.bind("<Control-a>", self.selectAll) self.bind("<Escape>", lambda *ignore: self.destroy()) def selectAll(self, *ignore): ''' Set selection on the whole text ''' self.selection_range(0, 'end') # returns 'break' to interrupt default key-bindings return 'break'

vbar = ttk.ScrollBar(container, orient=VERTICAL, command = your_treeview.yview)your_treeview.configure(yscrollcomand=vbar.set)your_treeview.grid(row=0)vbar.grid(row=0, column=1,sticky=NS)

items = your_treeview.get_children()[your_treeview.delete(item) for item in items]

def get_cell_value(self, event, tree=None, col_widths=None): """ 获取ttk treeview某一个单元格的值（在鼠标事件中） :param event: :param tree: :param col_widths: :return: """ if not tree: tree = self.bom_lines if not col_widths: col_widths=self.form_bom_line_widths if not isinstance(event,Event): raise Exception("event must type of Tkinter.Event") x= event.x y= event.y row = tree.identify_row(y) vals = tree.item(row, 'values') index = -1 for i in range(len(col_widths)): if x>=0: x-=col_widths[i] else: index=i-1 break if index!=-1: return vals[index] return False

your_treeview.identify_column(event.x)

def set_cell_value(self, event, value, tree=None, col_widths=None): """ 设置ttk treeview某一个单元格的值（在鼠标事件中） :param event: :param value:要设置的值 :param tree: :param col_widths: :return: """ if not tree: tree = self.bom_lines if not col_widths: col_widths=self.form_bom_line_widths if not isinstance(event,Event): raise Exception("event must type of Tkinter.Event") x= event.x y= event.y row = tree.identify_row(y) index = -1 for i in range(len(col_widths)): if x>=0: x-=col_widths[i] else: index=i-1 break if index!=-1: tree.set(row,column=index,value=value) return True return False

#choice 1：Entry的子类的__init__方法中self['selectbackground']='red'#choice 2：Entry实例entent.config(selectbackground='red')

def brush_treeview(self, tv): """ 改变treeview样式 :param tv: :return: """ if not isinstance(tv, ttk.Treeview): raise Exception("argument tv of method bursh_treeview must be instance of ttk.TreeView") #=============给bom_lines设置样式===== items = tv.get_children() for i in range(len(items)): if i%2==1: tv.item(items[i], tags=('oddrow')) tv.tag_configure('oddrow', background='#eeeeff')

self.cb_product_id.bind('<Return>', self.on_search_product_id)

def on_search_product_id(self,event): product_no = self.cb_product_id.get() res = self.bom.product_search(condition="name_template ilike '%%"+product_no+"%%' ", limit=20 ) self.cb_product_id['values']=[x[1] for x in res]

class NewCBox(ttk.Combobox): def __init__(self, master, dictionary={}, *args, **kw): ttk.Combobox.__init__(self, master, values = sorted(list(dictionary.keys())), *args, **kw) self.dictionary = dictionary self.bind('<<ComboboxSelected>>', self.selected) #purely for testing purposes def set_dict(self, dictionary): self.dictionary=dictionary self['values']= sorted(list(dictionary.keys())) def value(self): return self.dictionary[self.get()] def selected(self, event): #Just to test print(self.value())

from Tkinter import *import ttkroot = Tk()c = ttk.Combobox(root)c.pack()c['values'] = ['','','']def dropdown(): c.event_generate('<Button-1>')b = Button(root, text='test', command=dropdown)b.pack()root.mainloop()

my_dict = dict(list(zip(list1,list2)))

your_combobox.bind('<<ComboboxSelected>>',your_select)def your_select(event): pass

default_index=0your_combobox.current(default_index)

my_combobox.bind('<Control-a>', select_all_input)def select_all_input(self,event): print 'Ctrl+A' text = self.get() vals = self.cget('values') for i in range(len(vals)): if vals[i]==text: self.current(i)

treeview.item("Main", open=False)

def expand_tree(self, tv, root_id): iids = tv.get_children(root_id) for iid in iids: tv.item(iid,open=True) self.expand_tree(tv, iid)

your_treeview.bind('<Control-f>', find_something)

class PopupEntry: def __init__(self, parent=None,default_value='', callback=None): self.callback = callback self.top = Toplevel(parent) Label(self.top, text="请输入:").grid(row=0) self.e = Entry(self.top) self.e.grid(row=0,column=1) Button(self.top, text="确定", command=self.ok).grid(row=1) Button(self.top, text="取消", command=self.top.destroy).grid(row=1,column=1) self.__set(default_value) self.e.bind('<Double-1>', lambda *args:self.e.delete(0,END)) self.e.bind('<Return>', self.on_return) self.top.maxsize(200,60) self.top.resizable(False,False) self.top.title('搜索') def on_return(self,event): self.ok() def ok(self): #print "value is", self.e.get() if self.callback and callable(self.callback): self.callback(self.e.get()) self.top.destroy()

your_entry.focus()

tree_view.selection_set(items)

context_menu = Menu(self.tv, tearoff=0)context_menu.add_command(label="复制", command=copy_handler)some_widget.bind('<3>', show_context_menu)def show_context_menu(event): context_menu.post(event.x_root,event.y_root)def copy_handler(): pass

import clipboardclipboard.copy("abc") # now the clipboard content will be string "abc"text = clipboard.paste() # text will have the content of clipboard

your_label['text']='new value'# or your_label.configure(text='new value')

your_Treeview.yview_moveto(1.0)

your_menu.add_seperator()

class NewCBtn(Checkbutton): def __init__(self, master,*args, **kw): self.value = IntVar() if not kw:kw={'variable':self.value} else:kw.update({'variable':self.value}) Checkbutton.__init__(self,master,*args,**kw) def checked(self,value=None): if value is not None: self.value.set(value and 1 or 0) return self.value.get()

your_text.delete("1.0",END)

your_entry.delete(0,END)

from Tkinter import *root = Tk()b = Combobox(root)if isinstance(ctrl,Entry): print "Entry"elif isinstance(ctrl,Combobox): print "Combobox"else: print unkown

class NewImage(Label): def __init__(self, master=None,image_path=r'nullImage.png', cnf={}, **kw): image = Image.open(image_path) self.default_image = ImageTk.PhotoImage(image) self.current_image = self.default_image Label.__init__(self, image=self.current_image, master=master, cnf=cnf,**kw) def Image(self,base64_source=None,encoding='base64'): if not base64_source is None: if base64_source: base64_source = resize_img(base64_source,size=(100,100)) image_stream = io.BytesIO(base64_source.decode(encoding)) image = Image.open(image_stream) self.current_image =ImageTk.PhotoImage(image) self['image']=self.current_image else: self['image']=self.default_image return self['image']

Label(text='your_label', fg='blue').pack()

import tkFont...ft1 = tkFont.Font(family = 'Fixdsys',size = 10,weight = tkFont.BOLD)Label(f, text=u'产品编号(*)', fg='blue', font=ft1).grid(row=1,column=1, sticky=W)

my_entry.winfo_rootx()

from Tkinter import *root = Tk()top = Toplevel(root)top.overrideredirect(True)root.mainloop()

your_treeview.selection()

iids = your_treeview.selection()your_treeview.delete(iids)

your_treeview.event_generate('<1>',x=1,y=1)

def some_event(self,event): #do something return 'break'

from Tkinter import *root = Tk()#panel = Frame(root)#panel.pack()m = Menu(root,tearoff=0)m.add_command(label='test1')m.add_command(label='test2')def context_menu(event): m.post(event.x,event.y)root.geometry("400x400+0+0") root.bind('<3>',context_menu)m.entryconfigure(1,state='disabled')root.mainloop()

# -*- coding: CP936 -*-from Tkinter import *from tkFileDialog import *root = Tk()filename=askopenfilename(parent = root)print filename root.mainloop()